1957 AC Ace vs. 1977 Mazda Cosmo
To start off, 1977 Mazda Cosmo is newer by 20 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 1,971 cc (6 cylinders), 1957 AC Ace is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 30 more horse power than 1977 Mazda Cosmo. (93 HP @ 5500 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 1977 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1977 Mazda Cosmo weights approximately 196 kg more than 1957 AC Ace.
Let's talk about torque, 1957 AC Ace (167 Nm @ 4500 RPM) has 17 more torque (in Nm) than 1977 Mazda Cosmo. (150 Nm @ 3300 RPM). This means 1957 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda Cosmo.
Compare all specifications:
| 1957 AC Ace | 1977 Mazda Cosmo | |
| Make | AC | Mazda |
| Model | Ace | Cosmo |
| Year Released | 1957 | 1977 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 93 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 167 Nm | 150 Nm |
| Torque RPM | 4500 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1090 kg |
| Vehicle Length | 3850 mm | 4480 mm |
| Vehicle Width | 1520 mm | 1690 mm |
| Vehicle Height | 1250 mm | 1340 mm |
| Wheelbase Size | 2290 mm | 2520 mm |
| Fuel Tank Capacity | 59 L | 65 L |
